Home / 1,662,129.81-2,293,759.49-936,977.85

Finding the Fourth Proportional to 1,662,129.81, 2,293,759.49 and 936,977.85

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Solution

The fourth proportional to 1,662,129.81, 2,293,759.49 and 936,977.85 is: 1,293,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,129.81 : 2,293,759.49 = 936,977.85 : x
  2. Step 2: Convert to fraction form
    1,662,129.81/2,293,759.49 = 936,977.85/x
  3. Step 3: Cross multiply
    1,662,129.81x = 2,293,759.49 × 936,977.85
  4. Step 4: Simplify right side
    1,662,129.81x = 2,149,201,830,672.41
  5. Step 5: Solve for x
    x = 2,149,201,830,672.41/1,662,129.81
  6. Step 6: Final answer
    x = 1,293,040.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.